From 31c5fc22a529fbc565f8b2f75f10d3952cb2d1f7 Mon Sep 17 00:00:00 2001 From: Christian Richter Date: Tue, 29 Jan 2008 10:36:19 +0000 Subject: [PATCH] fixed potential segfault in misdn show channels CLI command git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@100793 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- channels/chan_misdn.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/channels/chan_misdn.c b/channels/chan_misdn.c index ccdef6f7a8..47505dfddf 100644 --- a/channels/chan_misdn.c +++ b/channels/chan_misdn.c @@ -1127,10 +1127,18 @@ static int misdn_show_cls (int fd, int argc, char *argv[]) struct chan_list *help=cl_te; ast_cli(fd,"Chan List: %p\n",cl_te); - + for (;help; help=help->next) { struct misdn_bchannel *bc=help->bc; struct ast_channel *ast=help->ast; + if (!ast) { + if (!bc) { + ast_cli(fd, "chan_list obj. with l3id:%x has no bc and no ast Leg\n", help->l3id); + continue; + } + ast_cli(fd, "bc with pid:%d has no Ast Leg\n", bc->pid); + continue; + } if (misdn_debug[0] > 2) ast_cli(fd, "Bc:%p Ast:%p\n", bc, ast); if (bc) { print_bc_info(fd, help, bc);